Definitions
of loo

The word "loo" uses 3 letters: loo.

n. - An old game played with five, or three, cards dealt to each player from a full pack. When five cards are used the highest card is the knave of clubs or (if so agreed upon) the knave of trumps; -- formerly called lanterloo.
2

n. - A modification of the game of "all fours" in which the players replenish their hands after each round by drawing each a card from the pack.
2

Words formed by adding one letter before or after loo (in bold), or to loo in any order: